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Unbreakable Vow

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A spell that binds two people to a contract nobody can walk away from, since breaking the terms kills whoever swore them.

An Unbreakable Vow is a spell that creates a binding magical contract between two people, and whoever accepts the terms dies if they break them. There are limits to that. A vow made physically impossible through no fault of the person sworn is void, and the exact wording carries weight, since terms open to interpretation can be kept in a sense their maker never intended. Death follows only once the terms have been broken outright.

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